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AIRRIGATION ENG

Overview
  • Total Patents
    27
About

AIRRIGATION ENG has a total of 27 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets civil engineering, mechanical elements and machines are JOHNSTON PIPES LTD, HAAS HELMAR and WACO LIESBOSCH BETON B V.

Patent filings in countries

World map showing AIRRIGATION ENGs patent filings in countries

Patent filings per year

Chart showing AIRRIGATION ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horne Frederick F 9
#2 Vanderlans Gerald G 6
#3 Waite Diana H 4
#4 Horne Frederick Franklin 3
#5 Edmiston Robert A 3
#6 Horne F 3
#7 Vanderlans Gerald John Corneli 2
#8 Chance Nathan H Jr 2
#9 Chance Jr Nathan H 1
#10 Mansfield William A 1

Latest patents

Publication Filing date Title
US5139751A Apparatus for thrusting a hose along a conduit
US4944320A Chemical control of root growth in sewers and the like
US4981524A Chemical control of root growth in sewers and the like
US4556434A Sewer cleaning foam composition and method
CA1045994A Method and apparatus for injecting foam into a pipeline, including an inflatable plug
US4025360A Method and apparatus for injecting foam into a pipeline, including an inflatable plug
US3874926A Method and apparatus for injecting foam into a pipe
US3880176A Apparatus for sewer treatment to kill tree roots and other organic growth therewithin
US3892588A Method of killing roots and organic growths in sewer pipes
DE2321499A1 Sewer treatment to kill tree roots etc - using alkyldithiocarbamate salts
GB1408328A Treatment of sewers
GB1408329A Treatment of sewers
CA1015577A Alkali metal alkyl dithiocarbamate, biodegradable nonionic surfactant composition for killing organic growth in sewers
US3763896A Plugging a home service sewer line
US3797646A Two-ingredient container system
US3741807A Sewer treatment to kill tree roots and other organic growth therewithin